Finding the Fourth Proportional to 499,049.92, 688,690.68 and 272,695.42
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Solution
The fourth proportional to 499,049.92, 688,690.68 and 272,695.42 is: 376,320.66
Step by Step Solution
- Step 1: Write the proportion equation
499,049.92 : 688,690.68 = 272,695.42 : x - Step 2: Convert to fraction form
499,049.92/688,690.68 = 272,695.42/x - Step 3: Cross multiply
499,049.92x = 688,690.68 × 272,695.42 - Step 4: Simplify right side
499,049.92x = 187,802,794,232.69 - Step 5: Solve for x
x = 187,802,794,232.69/499,049.92 - Step 6: Final answer
x = 376,320.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.